.container { width: min(100% - var(--pad) * 2, var(--max)); margin-inline: auto; }
.product-page { padding-block: 28px 72px; }
.product-breadcrumb { margin: 0 0 22px; font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.product-breadcrumb a { text-decoration: none; }
.product-breadcrumb a:hover { color: var(--ink); }
.product-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: clamp(28px, 5vw, 76px); align-items: start; }
.product-gallery { min-width: 0; }
.product-gallery__main {
  background: #fff; border: 1px solid var(--line);
  aspect-ratio: 4 / 5; overflow: hidden;
  display: grid; place-items: center; padding: 8px;
}
.product-gallery__main img { width: 100%; height: 100%; object-fit: contain; object-position: center; transition: transform .7s cubic-bezier(.2,.6,.2,1); }
.product-gallery__main:hover img { transform: scale(1.035); }
.product-gallery__thumbs { display: flex; gap: 8px; overflow-x: auto; margin-top: 8px; padding-bottom: 4px; }
.thumb {
  flex: 0 0 76px; width: 76px; height: 76px; padding: 4px;
  border: 1px solid var(--line); background: #fff; cursor: pointer;
}
.thumb.is-active { border-color: var(--ink); }
.thumb img { width: 100%; height: 100%; object-fit: contain; }
.product-info { position: sticky; top: 92px; }
.product-info h1 { font-size: clamp(2rem, 3.4vw, 3.2rem); margin: 0 0 12px; font-weight: 400; letter-spacing: -.05em; }
.product-price { margin: 0; font-size: 17px; font-weight: 400; }
.product-price span { display: block; font-size: 10px; letter-spacing: .06em; font-weight: 400; color: var(--muted); margin-top: 4px; }
.product-color { color: var(--muted); font-size: 12px; margin: 14px 0; }
.product-desc { color: var(--ink-soft); font-size: 14px; max-width: 44ch; margin: 0 0 22px; }
.size-block { border-top: 1px solid var(--line); padding-top: 16px; margin-bottom: 18px; }
.size-label { margin: 0 0 8px; font-size: 10px; letter-spacing: .1em; text-transform: uppercase; font-weight: 600; }
.sizes { display: flex; gap: 6px; flex-wrap: wrap; }
.sizes button {
  min-width: 46px; padding: 10px 8px; border: 1px solid var(--line);
  background: transparent; font-size: 11px; cursor: pointer;
}
.sizes button:hover, .sizes button.is-active { border-color: var(--ink); background: var(--ink); color: #fff; }
.size-note { font-size: 10px; color: var(--muted); margin: 8px 0 0; }
.btn--available { width: 100%; border: 1px solid var(--line); background: transparent; color: var(--muted); cursor: not-allowed; }
.btn--available:disabled { opacity: 1; }
.product-status { font-size: 11px; color: var(--muted); margin: 10px 0 22px; }
.product-status a { text-decoration: underline; }
.product-faq { border-top: 1px solid var(--line); }
.product-faq details { padding: 13px 0; }
.product-faq summary { font-size: 12px; }
.product-faq p { font-size: 12px; }
.back-link { display: inline-block; margin-top: 22px; font-size: 10px; letter-spacing: .1em; text-transform: uppercase; border-bottom: 1px solid var(--ink); padding-bottom: 2px; }

@media (max-width: 760px) {
  .product-page { padding-block: 18px 46px; }
  .product-grid { grid-template-columns: 1fr; gap: 22px; }
  .product-info { position: static; }
  .product-gallery__main { aspect-ratio: 1 / 1; padding: 6px; }
  .product-info h1 { font-size: 2rem; }
  .thumb { flex-basis: 64px; width: 64px; height: 64px; }
  .btn--available { padding-block: 15px; }
}


.btn {
  display: inline-block; border: 1px solid var(--ink); background: var(--ink); color: #fff;
  padding: 14px 18px; font: 400 10px/1 var(--font-body); letter-spacing: .1em; text-transform: uppercase;
}
.product-specs { margin: 0 0 22px; border-top: 1px solid var(--line); }
.product-specs > div { display: flex; justify-content: space-between; gap: 18px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 12px; }
.product-specs dt { color: var(--muted); }
.product-specs dd { margin: 0; text-align: right; }


.btn--wide { width: 100%; margin-top: 8px; }
.btn:disabled { background: transparent; color: var(--muted); border-color: var(--line); cursor: not-allowed; }